US Patent 7942497 Ink jet recording head

An ink jet recording head (100) comprising edge shooter type head units (20) each having a head chip provided with a nozzle ejection surface, a positioning plate (41) for arranging the head units (20) in parallel to each other, inclined against a line arranging direction. The positioning plate (41) arranges the head units (20) in parallel to each other, inclined against the line arranging direction, and the angle of the inclination is set so that a nozzle interval, in the line arranging direction, of two nozzles (21a) corresponds to a predetermined resolution, the two nozzles being adjacent to each other on a straight line on the nozzle ejection surface.